/* AMTECH canonical light interface foundation. */
:root {
  --amtech-ink: #111111;
  --amtech-white: #ffffff;
  --amtech-canvas: #f7f9fc;
  --amtech-red: #e11d2a;
  --amtech-blue: #2563eb;
  --amtech-cyan: #dff6ff;
  --amtech-green: #168a57;
  --amtech-line: rgba(17, 17, 17, 0.08);
  --amtech-line-strong: rgba(17, 17, 17, 0.14);
  --amtech-muted: rgba(17, 17, 17, 0.62);
  --amtech-glass: rgba(255, 255, 255, 0.84);
  --amtech-danger-soft: rgba(225, 29, 42, 0.08);
  --amtech-blue-soft: rgba(37, 99, 235, 0.08);
  --amtech-green-soft: rgba(22, 138, 87, 0.08);
  --amtech-space-half: 4px;
  --amtech-space-1: 8px;
  --amtech-space-2: 16px;
  --amtech-space-3: 24px;
  --amtech-space-4: 32px;
  --amtech-space-5: 40px;
  --amtech-space-6: 48px;
  --amtech-radius-control: 999px;
  --amtech-radius-nested: 14px;
  --amtech-radius-card: 20px;
  --amtech-radius-panel: 24px;
  --amtech-shadow-card: 0 14px 38px rgba(30, 48, 80, 0.08);
  --amtech-shadow-float: 0 20px 60px rgba(30, 48, 80, 0.12);
  --amtech-font: var(--font-inter), Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  background: var(--amtech-canvas);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--amtech-canvas);
  color: var(--amtech-ink);
  font-family: var(--amtech-font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--amtech-red);
  color: var(--amtech-white);
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button,
a,
input,
textarea,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

img,
video {
  max-width: 100%;
  display: block;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--amtech-blue) 82%, white);
  outline-offset: 3px;
}

.amtech-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.amtech-card {
  background: var(--amtech-glass);
  border: 1px solid var(--amtech-line);
  border-radius: var(--amtech-radius-card);
  box-shadow: var(--amtech-shadow-card);
  backdrop-filter: blur(28px);
}

.amtech-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--amtech-space-1);
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--amtech-radius-control);
  background: var(--amtech-red);
  color: var(--amtech-white);
  font-weight: 700;
  text-decoration: none;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease, background 200ms ease;
}

.amtech-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(225, 29, 42, 0.18);
}

.amtech-button.secondary {
  background: var(--amtech-white);
  color: var(--amtech-ink);
  border-color: var(--amtech-line-strong);
  box-shadow: none;
}

.amtech-button:disabled {
  opacity: 0.48;
}

/* Capability workbench controls are high-frequency operational targets. Keep the
 * full interactive hit area accessible even when the component's compact visual
 * style uses smaller typography. */
.tc-drawer .tc-head > button,
.tc-drawer .tc-card-actions button,
.tc-drawer .tc-card-actions a,
.tc-drawer .tc-compose-actions button,
.tc-drawer .tc-state button {
  min-width: 44px !important;
  min-height: 44px !important;
}

/* Talk is the primary surface, but Workspace must retain its operating-context
 * control. The inner identity is redundant with the next-generation top bar, so
 * only the live/context control remains in a compact sticky subheader. */
.nextgen-operate .os-header {
  display: flex !important;
  top: 68px !important;
  min-height: 56px !important;
  justify-content: flex-end !important;
  padding: 6px 22px !important;
  background: rgba(255, 255, 255, 0.86) !important;
  backdrop-filter: blur(22px);
}

.nextgen-operate .os-identity {
  display: none !important;
}

.nextgen-operate .os-runtime,
.nextgen-topbar nav button,
.nextgen-brand,
.nextgen-prompts button,
.nextgen-rail-head button {
  min-width: 44px !important;
  min-height: 44px !important;
}

.nextgen-brand {
  display: inline-flex;
  align-items: center;
}

@media (max-width: 620px) {
  .nextgen-operate .os-header {
    top: 60px !important;
    padding-inline: 12px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}